#include "led.h"
#include "beep.h"
#include "systick.h"
int main(void)
        {
        	delay_init(168);
			beep_init();
			led_init();
            while(1)
            {
				beep_open();
				led_open();
				delay_ms(1000);
				beep_off();
				led_off();
				delay_ms(1000);
            }
        }
		